Flush Router Bit Kit4 flute straight router bit with 8mm shank, cutting height: 30mm/40mm/50mm, cutting diameter: 14mm/16mm/16 mm with an upper end bearing. Product FeaturesStable precision, fine workmanship, durable rust, clean cut, smooth rotation, fast operation, significantly improved service life. Mainly used for wood cutting, lining, graining and grooving. Industrial Grade Router BitsMade of high quality C3 micro-grain carbide with Teflon coating for performance heat resistant and durable. Efficient and extremely durable cuts. It contains an enclosed ball bearing for smooth operation and precise cutting cuts for laminates and jigs. Anti-Kickback DesignThe ideal flush router bit with pointed edge in carbide, 4 flute design helps eliminate chips and make your work clean and smooth to meet a variety of cutting needs. Professional Woodworking Tools3 types of cutter heads for different applications. Use on CNC and other automatic routers as well as hand-held and table-mounted portable routers. Mainly used for cutting and smoothing a variety of materials. Ideal for edging, trimming, graining and grooving in all woodworking projects for both professionals and amateurs.